Description:

Solar domestic hot water
House is situated for maximum solar gain. Stucco exterior, clad windows and metal roof for low maintenance. Well insulated very tight building envelope with high thermal mass, keeps inside temperature very constant. 2 kW grid tied PV produces 2,500 kWs per year. Evacuated tube solar thermal with 80 gallons of storage produces the bulk of the hot water needs. Back up power provided by batteries with inverter charger.